Highway Engineering Part 2

Page 1 of 4

1.

The highest point on a carriageway is known as

superelevation

gradient

camber

crown

2.

As per IRC the carriage way width for two lane traffic should be

7.5 m

12.5 m

10 m

15 m

3.

Which of the following requirement is given most importance in highway design?

seasonal

structural

maintenance

functional

4.

In India for design of roads pedestrian is considered as

intruder in traffic

element of traffic

essential part of traffic

controller of traffic

5.

Coefficient of friction is less when the pavement surface is

smooth and dry

smooth and wet

dry

rough

6.

For places where there is a passage of flood water then the highway has to be built on

embankment

underpass

overpass

subway

7.

The camber of road should be approximately equal to

half the longitudinal gradient

longitudinal gradient

three times the longitudinal gradient

two times the longitudinal gradient

8.

The maximum design gradient for vertical profile of a road is

ruling gradient

minimum gradient

exceptional gradient

limiting gradient

9.

The value of ruling gradient in plains as per IRC recommendation is

1 in 20

1 in 30

1 in 12

1 in 15

10.

The transition curve used in the horizontal alignment of highways as per IRC recommendations is

any of these

cubic parabola

spiral

lemniscate

Page 2 of 4

11.

The equilibrium super elevation required to counteract the centrifugal force fully is given by

V²/ 75R

V² / 127R

V²/ 27.5R

(0.75V)²/ 127R

12.

Stopping sight distance is always

less than overtaking sight distance

none of the these

more than overtaking sight distance

equal to overtaking sight distance

13.

The surface of the pavement should be

smooth

sufficient enough to resist skid

very rough

rough

14.

The steepest gradient in ordinary condition should not exceed

maximum gradient

ruling gradient

floating gradient

exceptional gradient

15.

The maximum allowable super elevation is

1 in 18

1 in 12

1 in 30

1 in 15

16.

Nagpur road plan formulae were prepared by assuming

radial or star and block road pattern

radial or star and circular road pattern

rectangular or block road pattern

radial or star and grid road pattern

17.

Camber in the road is provided for

counteracting the centrifugal force

having proper sight distance

effective drainage

all of these

18.

Which of the following roads are congested during peak hours?

urban roads

rural roads

highways

express ways

19.

The design life of flexible pavement is

8

15

10

12

20.

In a proposed alignment the type of soil which will not be preferred is

hard rock

ordinary soil

soft rock

all of these

Page 3 of 4

21.

The surface of highway pavement should be designed to allow

low rolling resistance

no rolling resistance

very high rolling resistance

high rolling resistance

22.

The sequence of four stages of survey in a highway alignment is

preliminary survey, map study, reconnaissance and detailed survey

reconnaissance, map study, preliminary survey and detailed survey

map study, reconnaissance, preliminary survey and detailed survey

map study, preliminary survey, reconnaissance and detailed survey

23.

The materials not included in highway construction are

Soil

Petrol

Dust

Stone

24.

Camber in the road is provided for

having proper sight distance

effective drainage

none of these

counteracting the centrifugal force

25.

The layer which is constructed above embankment is called

base

sub grade

fill

sub base

26.

As per IRC, the maximum width of a vehicle should be

1.58m

3.8m

2m

2.44m

27.

Enoscope is used to find

time-mean speed

average speed

space-mean speed

spot speed

28.

The branch of engineering that deals with improvement of traffic performance, traffic studies and traffic network is called

Highway engineering

Traffic engineering

Traffic management

Railway engineering

29.

For highway geometric design purposes the speed used is

15th percentile

98th percentile

50th percentile

85th percentile

30.

The alignment of road should cross the series of hills through

ridge

none of these

valley

saddle

Page 4 of 4

31.

For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is

1 in 60

1 in 30

1in 36

1 in 48

32.

Which of the following shapes is preferred in a valley curve?

cubic parabola

simple parabola

spiral

lemniscate

33.

For the design of superelevation for mixed traffic conditions, the speed is reduced by

20%

15%

25%

75%

34.

If ruling gradient is 1 in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

6%

4%

5%

3%

35.

The surface of highway pavement should be designed to allow

no rolling resistance

high rolling resistance

very high rolling resistance

low rolling resistance

36.

Reaction time of a driver

is same for all speeds

decreases with increase in speed

increases with increase in speed

none of these

37.

The desirable length of overtaking zone as per IRC recommendation is equal to

overtaking sight distance

five times the overtaking sight distance

two times the overtaking sight distance

three times the overtaking sight distance

38.

The slope of the line joining the crown and edge of the road surface is known as

any of these

cross fall

cross slope

camber

39.

The shape of the chamber, best suited for cement concrete pavements is

straight line

parabolic

elliptical

combination of straight and parabolic

40.

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

zero

less than the pressure on inner wheels

more than the pressure on inner wheels

equal to the pressure on inner wheels

Highway Engineering Part 2

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